251971923

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{17989}}^1$

素因数の和:18051

約数の個数: 32

約数和(自身を含む): 414489600

約数和(自身を除く): 162517677

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 2001, 4669, 14007, 17989, 53967, 125923, 377769, 413747, 521681, 1241241, 1565043, 2896229, 3651767, 8688687, 10955301, 11998663, 35995989, 83990641, 251971923]

約数ペア:

[(1, 251971923), (3, 83990641), (7, 35995989), (21, 11998663), (23, 10955301), (29, 8688687), (69, 3651767), (87, 2896229), (161, 1565043), (203, 1241241), (483, 521681), (609, 413747), (667, 377769), (2001, 125923), (4669, 53967), (14007, 17989)]